Questions tagged [moisture]
The moisture tag has no usage guidance.
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What moisture content reading do I need to wait for before tiling on a sceed floor?
We've recently had an anhydrite liquid screed floor laid in our house. We are now waiting for it to dry before porcelain floor tiles are laid (over a decoupling layer).
There is some disagreement ...
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I am in the process of converting an uninsulated block industrial building into my residence. Any suggestions based on my proposed wall assembly?
On the border of US Climate Zones 4 and 5, the building is slab on grade and interestingly has 2 slabs, one on top of the other with a plastic barrier between them as illustrated. The existing ...
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How to insulate Rim Joist with no sill plate?
I recently had an energy audit/blower door test on my 1963 single-story ranch home in SE Michigan. They noted a lot of air infiltration along the baseboards, and recommended pro sprayfoaming the rim ...
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How do I stop water leaking from a concrete slab porch into the rooms below?
My front porch is concrete and is above a portion of my garage, laundry room, and a basement bathroom. The house is in Zone 6b: -5 to 0 F. The rooms are not finished and I am not sure of the ...
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I have 19/32 Plywood subfloor screwed to floor joists. Can I add a MLV and floating OSB subfloor before installing LVP?
I am rebuilding the floor of a living room/dining room and am down to the plywood subfloor. I want to reduce noise transmission to the basement while keeping a low maintenance, low-ish budget solution....
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How to seal indoor rendering?
I'm working on making my chimney hearth nice. But before and after plastering, it appears that there is moisture coming through on part of the rendering. I realise I can't go further until this is ...
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Vapor barrier in crawlspace is stapled to the top of the space and not on the bottom
I just got a house that has a vapor barrier installed to the top of crawl space on the bottom of the insulation (image attached).
I live in the wet part of the PNW and was wondering if this is ...
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Can I paint or seal a very moist basement floor to make it waterproof?
My basement has a slight dampness issue, where if I leave things on the floor they will get wet. There are no leaks and no standing water, the moisture seems to be wicking up through the concrete.
I ...
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Steel basement beam rusting [closed]
We supply steel beams in Western NY and we apply a structural steel primer to all beams. We have a customer who has beams that are rusting in a basement. The beams have been in place for 3-4 years, ...
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How can I fix this moisture problem to stop mold growing?
Background and The Problem
I am trying to solve the problem of mold growing on my bedroom ceiling. The house is a California Bulgalow built in about 1940. The house is single-brick with plaster ...
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Raising floor in bathroom from concrete subfloor for vinyl sheet finish
I have a concrete bathroom floor where I want to install new fully waterproof vinyl at a finished height of 1/2 inch to bring it level with the hall floor and make it feel less like walking directly ...
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Fixing root cause of wet garage drywall
I have a detached, at or above grade garage with a concrete slab floor and sheetrocked, insulated walls.
I noticed some moisture on the drywall during pre-purchase inspection last fall, but it's ...
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How to proactively prevent termite infestation
I'm seeing ants boring holes through Tiles and ejecting sand and I'm told ants are first to come then comes the Termite.
Outside my building I'm seeing lots of ant colonies where if can lay our feet , ...
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Raising a sunken living room floor and concerned about moisture under new raised floor [closed]
I am raising a sunken living room floor but have some concerns about possible moisture problems under this raised floor. Here is what I have.
A 1979 typical ranch style. It is roughly a 16 x 20 ...
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Need Help with Bathroom Exhaust Fan/Vent
I have a bathroom exhaust fan that is not working. It seems to be a light/fan combo unit (see below pictures). The fan use to turn on when the light was turned on, but it's no longer functioning. The ...
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Discolored bedroom ceiling
We returned home after the holidays and saw that the ceiling in our upstairs bedroom has been discolored. I checked with the moisture meter and it showed a "100% wet" reading, but only in a ...
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Risk of mold between plywood panel and window
I built a wood panel with a window sill to block the bottom half of a window. The window sash is made of two frames that split the window about halfway. The window and sash are built with a small ...
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Combatting moisture in crawl space after venting window is sprayed with insulation?
I had a crawl space (top left) in my house which had a 12"x6" venting window. There is a room above the crawl space, so I decided to spray the walls of the space with closed-cell foam insulation which ...
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Is it safe to use 'space blankets' over loose fill insulation in an attic?
My townhouse has a small attic area over a bedroom (and another inaccessible space over another room). The attic space is on the south side of the building and there is a lot of heat gain in the ...
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Is it safe to put thin insulation board on the bottom of joists in crawlspace?
My townhouse has a partial lower level and partial crawlspace of dirt. Rooms with crawlspace under get pretty cold in winter. There is some un-faced (I think) fiberglass roll insulation tucked up ...
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Check wall for moisture: is there something like a fuse but moisture?
Is there such a thing like a fuse but for moisture? Some material or dye that can be used to know if a wall or floor is starting to accumulate moisture long before mold appears?
We had a moldy, moist ...
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Moisture damage in exterior wall - trying to figure out cause/remedy
So we moved a mattress that was covered in plastic sheeting and had been there since the summer leaning against the wall and discovered this. The plastic sheeting had water on it as well.
A couple ...
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Do I need to worry about this discoloration on my wall?
This has been discoloring over years. Obviously it’s where the insulation ends and the drywall is exposed in the attic space. I know nothing about home stuff… how serious is this? Of note, it is not ...
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Bathroom shower wall tile is cracked across 4 tiles. Opinions?
Some structural guys bopped the back of a bathroom shower wall while installing some beams on the other side. A few subway tiles in a corner cracked in an area that get's a lot of moisture. Although I ...
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Terminating wall perpendicular to an unfinished outside wall
I have unfinished framing that runs perpendicular to an outside wall, which is a cinder block foundation.
I think terminating drywall against another surface (such as wood or brick) which is interior ...
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Do I need a vapor barrier under drywall in my unfinished garage?
I’ve got an attached unfinished garage and laundry room. I’d like to put something on the walls to attach shelves to sort out my mess of stuff and to convert the space into a more usable workshop.
...
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How should I go about troubleshooting this brown spot that appeared on my master bathroom ceiling?
This brown spot recently appeared on our master bathroom ceiling.
This is a second floor ceiling. The attic is above this room.
The HVAC is in the attic above this room. It's not directly over it, ...
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How can I close and seal holes in my foundation?
I'm facing a challenging situation with my house and need some advice. I'm new to this, so bear with me as I provide the details:
Problem Description:
Foundation Holes: The front of our house has ...
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Is discoloration in my basement wall framing a concern?
We have a leak in our foundation, so I opened up the wall to patch it. This section of the wall comes to a T, and when I cut off the 2x4, I noticed discoloration in roughly 35-40% of the 2x4 that ...
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Should humidity levels in my attic be the same as outdoors?
In my attic should the moisture level be the same as outside? I’m in Canada so what should the moisture levels be during the seasons?
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Should I put a vapor barrier under metal framing in a basement?
I will be framing out my basement with steel so the bottom track will be on the concrete slab.
Is it required to put some sort of vapor barrier between the slab and the track? I couldn't find anything ...
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Vaulted kitchen ceiling but now have moisture between roof and insulation. Possible cause and remedy? [closed]
We're re-doing our kitchen and decided to vault the ceiling. Previously, above the ceiling there was a good amount of attic space but now the insulation is right up against the inside of the roof, and ...
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Vapor Barrier possibly concealing leaks [closed]
Vapor barrier concealing leaks
Hey there! I could really use some advice on those that have plastic sheeting in their ceilings. We just moved into a 1970s socal home in June.
We have had numerous ...
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Does this look like mold? (Mold test negative)
Recently had a mold test come back negative, despite me pulling a sample from white discolored crawlspace floor joist wood that is very close to an outside opening.
I was pretty confident this was ...
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Wall putty and moisture accumulation
I recently patched a few anchor holes in the wall that were about 9mm in diameter with wall putty.
It seems natural that some of the moisture goes into the wall interior when it dries. Could ...
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Vapor barrier under shed floor
I'm purchasing a shed that I intend to use as a home gym. On delivery, the shed will be uninsulated, aside from the roof which is metal with a bubble underlayment. The floor is a single layer of ...
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Old garage conversion to ADU: insulation question
I have a 2 x 4 framed garage. Years ago I insulated it with R13 fiberglass batts. Then I wrapped the whole garage in 1 inch EPS (R4), and put T1-11 over it. This worked just fine when it was a shop....
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How do I properly finish basement without framing?
Here is the issue: we have an unfinished laundry room and an unfinished closet. I would like to finish both of them. We are in a wet/moisture climate (Wisconsin). I am trying to do this without ...
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Is our subfloor dry enough to lay hardwood flooring on?
we live in a coastal town in the NE and we are getting ready to lay hardwood floors. Some rooms, the lauan was not in good shape due to pulling up prior floor, so we pulled that up, but other rooms, ...
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Can I add plastic moisture barrier under my conventional floors without further damaging wood floor joists?
I have a conventional 2x8 floor that is 40 inches off the ground. The crawlspace has 6"x12" vents on all sides of the house, spaced every 12-15 feet. We live in a humid area.
Can I add ...
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Do you need a subfloor over insulated concrete?
I'm having a house built, and I was discussing the floor in the basement with the builder. I thought I was going to use LVP over a subfloor, but the builder says they no longer put subfloors over ...
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Vapor barrier on heated entertainment shed [closed]
i am building an 8x10 entertainment shed with a loft for kids to hang out and have sleepovers in, i will be heating it. I have tyvek and t1-11 it is on 4x4 skids on top of the Concrete patio and has 3/...
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What could be causing this moisture issue at the bottom of the middle wall?
We're baffled by this. Can someone help us solve this mystery?
In our mobile home, we recently (as in within the past few days) discovered some moisture behind the baseboard in the middle of an ...
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Moisture in center and corner of windows when raining
I have four double windows where moisture appears in the center or corners of the interior window sills when it rains. Even a light rain will show some moisture/softness on the interior window sill. I ...
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Fence touching soil and bark
Fence built by a builder. Coming up on one year warranty. Was thinking about long term implications for a fence that is buried at least 3 inches in between soil and bark. Unless this is not to fence ...
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Is it OK for air conditioning condensation to drip right next to the house?
Our house has a 3/4" PVC pipe coming out the side which drains condensation from the central air conditioning. It drips at what seems like a normal rate. Taking a wild guess, I'd say a gallon per day. ...
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What type of prep do my basement floors need before carpet reinstall
I just ripped up my 30 year old basement carpet. There was significant efflorescence on the floor along along an exterior wall, where carpet padding wasn't used. The carpet in general felt "...
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How do I fix this corner?
I am trying to fix up the bathroom in my new apartment before I move in. The rest of it is bad, but not like this. It was duct taped in so I assume moisture got behind there and destroyed it. There ...
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Water heater leak into base. Concerned about moisture or mold
I am in process of replacing my 17 yo gas water heater. I am estimating it was leaking steady (maybe a drop or two a second) for around 24 hours before I got it shut off. Should I be concerned about ...
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Can plywood permanently retain moisture in an isolated spot?
The subfloor on the main level of my townhouse has several very small isolated wet spots. There is a crawl space underneath, and I thought high humidity in the crawl space was the culprit, but I no ...
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